From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5639C55186 for ; Wed, 22 Apr 2020 10:36:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B50542075A for ; Wed, 22 Apr 2020 10:36:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587551781; bh=KYVbrnZQ7AJD/sDVMLkUCoghFt+lMHOAtPcsirwNruA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eg14ToH8F+DzG05YMLGbDCQkxzmZjzdaVmXBWXV3+2aug/XB5HZM7vFyBShdOVar2 qhrwBT/AyBZSnBY/QPuTb9xLN3hlwzrzgHHF50aG27DZYySyHSlMA9pzTm04uSbsHk zR9wBP6/QtNfOzpBVrSj/kkOuM34XSf45Zqh7SwY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731346AbgDVKgU (ORCPT ); Wed, 22 Apr 2020 06:36:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:59566 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727806AbgDVKXK (ORCPT ); Wed, 22 Apr 2020 06:23:10 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A264F2076B; Wed, 22 Apr 2020 10:23:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587550990; bh=KYVbrnZQ7AJD/sDVMLkUCoghFt+lMHOAtPcsirwNruA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PkflgV9oHyUU+Es8k0vjicPnNkQkki/1Tfj8hrJxZS/pewnNGz8cnk2GA1Egxs40x Pvf/dRky6eJAztBzVWJhL7Xs1V32z6m/pO8ZWfhnkDZrBEuzdbTyIGTR8stK5ngQod ve4Zh4jKs0FPgXlgauzdYStzOilnE60E1Eok7Of4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dmitry Osipenko , Thierry Reding , Sasha Levin Subject: [PATCH 5.6 055/166] memory: tegra: Correct debugfs clk rate-range on Tegra20 Date: Wed, 22 Apr 2020 11:56:22 +0200 Message-Id: <20200422095054.847251371@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200422095047.669225321@linuxfoundation.org> References: <20200422095047.669225321@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dmitry Osipenko [ Upstream commit 2243af41115d0e36e6414df6dd2a0386e022d9f8 ] Correctly set clk rate-range if number of available timings is zero. This fixes noisy "invalid range [4294967295, 0]" error messages during boot. Fixes: 8209eefa3d37 ("memory: tegra: Implement EMC debugfs interface on Tegra20") Signed-off-by: Dmitry Osipenko Signed-off-by: Thierry Reding Signed-off-by: Sasha Levin --- drivers/memory/tegra/tegra20-emc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 8ae474d9bfb90..b16715e9515d0 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -628,6 +628,11 @@ static void tegra_emc_debugfs_init(struct tegra_emc *emc) emc->debugfs.max_rate = emc->timings[i].rate; } + if (!emc->num_timings) { + emc->debugfs.min_rate = clk_get_rate(emc->clk); + emc->debugfs.max_rate = emc->debugfs.min_rate; + } + err = clk_set_rate_range(emc->clk, emc->debugfs.min_rate, emc->debugfs.max_rate); if (err < 0) { -- 2.20.1